[null and void]

That's good, but she really should have been treated in situ, rather than risk the spread of this horrible disease to a new country and continent.

[Covenantor]

Yup, have to agree with you. If the underlying reason was observation and testing I’m sure CDC has in its inventory a whizbang movable isolation chamber and field lab. Europe is accessible for more refined assay of air transported samples which are much easier controlled.